中国老年人虚弱变化轨迹及其分化:基于虚弱指数的考察

被引:18
作者
巫锡炜 [1 ]
刘慧 [2 ]
机构
[1] 中国人民大学人口与发展研究中心
[2] 不详
基金
国家自然科学基金重大项目;
关键词
虚弱指数; 增长曲线模型; 累积劣势; 生命历程视角;
D O I
暂无
中图分类号
C913.6 [中、老年人问题];
学科分类号
摘要
虚弱指数近年来被广泛应用于研究老年人的健康和虚弱变化速度,以刻画老化引起的虚弱程度的动态过程。基于生命历程视角,文章强调从队列内认识和理解虚弱轨迹变化的意义,认为一个合适的理解队列内虚弱指数变化轨迹模式的框架应当满足3个重要属性:随机变异、轨迹分化与累积劣势。进一步,将此3个重要属性整合到增长曲线模型中,赋予参数具体含义,运用中国老年人健康长寿影响因素跟踪调查数据加以考察。初步分析结果表明:中国老年人虚弱程度随着年龄推移加速上升,但这种加速上升态势在超高龄老年人中消失了;中国老年人虚弱变化轨迹存在明显的分化,这种分化背后隐含着累积劣势机制,不过,其主要体现为组内而非组间累积劣势。
引用
收藏
页码:70 / 84
页数:15
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